Question
Average run scored by a batsman in first
‘x’ matches is 75. In next 13 matches he scored runs with an average of 90 so that his overall average increased by 3. Find the value of x.Solution
(75x + 13 × 90)/(x + 13) = 78
=> 75x + 1170 = 78x + 1014
=> 3x = 156
=> x = 52
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